Home / 109,214.20-163,821.30-35,342.20

Finding the Fourth Proportional to 109,214.20, 163,821.30 and 35,342.20

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Solution

The fourth proportional to 109,214.20, 163,821.30 and 35,342.20 is: 53,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,214.20 : 163,821.30 = 35,342.20 : x
  2. Step 2: Convert to fraction form
    109,214.20/163,821.30 = 35,342.20/x
  3. Step 3: Cross multiply
    109,214.20x = 163,821.30 × 35,342.20
  4. Step 4: Simplify right side
    109,214.20x = 5,789,805,148.86
  5. Step 5: Solve for x
    x = 5,789,805,148.86/109,214.20
  6. Step 6: Final answer
    x = 53,013.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.